The present invention relates to a pre-lithiation reaction chamber apparatus comprising a pre-lithiation reactor capable of preventing adverse effects caused by moisture that can be generated during a pre-lithiation reaction, and the pre-lithiation reactor comprises an electrolyte solution, an anode for a lithium secondary battery, and a lithium ion providing-member, wherein at least a portion of each of the anode for a lithium secondary battery and the lithium ion-providing member continues to come in contact with the electrolyte solution, the electrolyte solution comprises lithium salt, the reaction chamber comprises a moisture-capturing member, and the moisture-capturing member comprises: a moisture-capturing powder; a container receiving the moisture-capturing powder therein; and a position changing member for changing the position of the moisture-capturing powder within the container.
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